<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>test page</title>
</head>
<body>
<form action="/student/sign/in" method="post">
    <input type="text" name="username" placeholder="username">
    <input type="password" name="ps" placeholder="password">
    <input type="submit" value="loading">
</form>
</body>
</html>